形狀 | 卷板 | 應用范圍 | 建筑 管道 | 規(guī)格 | 內徑20*20mm*2M,內徑22*20mm*2M,內徑25*20mm*2M,內徑28*20mm*2M,內徑34*20mm*2M,內徑43*20mm*2M,內徑48*20mm*2M,內徑60*20mm*2M,內徑76*20mm*2M,內徑22*25mm*2M,內徑25*25mm*2M,內徑28*25mm*2M,內徑34*25mm*2M,內徑43*25mm*2M,內徑48*25mm*2M,內徑60*25mm*2M,內徑76*25mm*2M,內徑89*25mm*2M,內徑108*25mm*2M,內徑25*30mm*2M,內徑28*30mm*2M,內徑34*30mm*2M,內徑43*30mm*2M,內徑48*30mm*2M,內徑60*30mm*2M,內徑76*30mm*2M,內徑89*30mm*2M,內徑108*30mm*2M |